21
. . . . . he invited me, I would have attended his birthday party.
Answer & Solution
Answer: Option
B
Solution:
'Hardly had' and 'had better' when used doesn't make any sense. 'If' would have been used when the words after the blank were 'he had invited .......party'. Therefore option B is correct.
Had he invited me, I would have attended his birthday party.
Had he invited me, I would have attended his birthday party.